Cup socket designed to remove and refit the coolant leakage container (expansion tank) without causing damage to the rear drive motor on the Audi e-tron, at the required service intervals recommended by the vehicle manufacturer

Specially designed to fit the coolant leakage container found on the rear final drive of the Audi e-tron (from 2019)
Equivalent to OEM T40409. Designed to fit leakage container OEM 0EF901257C
Flutes: 12; 60mm diameter. Use with 27mm single hex socket, please see Part No. 0136
Manufactured from non-conducting nylon composite to help prevent damage to the vehicle component
Use in accordance with OEM service instructions at 20,000 mile service intervals